Patents by Inventor Shinich Kakiuchi

Shinich Kakiuchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wound golf ball
    Patent number: 5976035
    Abstract: A wound golf ball has a wound core enclosed with a multilayer cover. The wound core consists of a center ball and a thread rubber layer. The multilayer cover includes an inner layer, an outer layer, and an adhesive layer therebetween. The adhesive layer forms a firm joint between the cover inner and outer layers whereby the ball is improved in restitution, spin and durability. The outer cover is formed of a non-yellowing thermoplastic polyurethane. The cover outer layer is injection molded on the adhesive layer.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: November 2, 1999
    Assignee: Bridgestone Sports Co., Ltd.
    Inventors: Junji Umezawa, Shinich Kakiuchi, Yutaka Masutani, Yasushi Ichikawa